Perhaps you should try some spelling variations:
doanh luan » doanh nhan
nhung cong » thong cong, hang cong, nhung don
tranh cua » doanh cua, manh cua
dung cong » dung trong
chu tinh » chau tinh, chua tinh, cuu tinh
dan toan » van toan, dan than, manh toan
toan ban » van ban
hoi chu » hoi chuc

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoi chu tinh - canh ((tranh cua) or (doanh luan)) ((nhung cong) or (dung cong)) dan toan ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoi chu tinh - canh ((tranh cua) OR (doanh luan)) ((nhung cong) OR (dung cong)) dan toan ban.
• Adding a wildcard symbol may retrieve word variants: hoi chu tinh - canh ((tranh cua) or (doanh luan)) ((nhung cong) or (dung cong)) dan toan ban*.